 /*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.core.runtime;

 /**
  * An adapter factory defines behavioral extensions for
  * one or more classes that implements the <code>IAdaptable</code>
  * interface. Adapter factories are registered with an
  * adapter manager.
  * <p>
  * This interface can be used without OSGi running.
  * </p><p>
  * Clients may implement this interface.
  * </p>
  * @see IAdapterManager
  * @see IAdaptable
  */
 public interface IAdapterFactory {
     /**
      * Returns an object which is an instance of the given class
      * associated with the given object. Returns <code>null</code> if
      * no such object can be found.
      *
      * @param adaptableObject the adaptable object being queried
      * (usually an instance of <code>IAdaptable</code>)
      * @param adapterType the type of adapter to look up
      * @return a object castable to the given adapter type,
      * or <code>null</code> if this adapter factory
      * does not have an adapter of the given type for the
      * given object
      */
     public Object getAdapter(Object adaptableObject, Class adapterType);

     /**
      * Returns the collection of adapter types handled by this
      * factory.
      * <p>
      * This method is generally used by an adapter manager
      * to discover which adapter types are supported, in advance
      * of dispatching any actual <code>getAdapter</code> requests.
      * </p>
      *
      * @return the collection of adapter types
      */
     public Class [] getAdapterList();
 }

